The Salt Cave are offering your first visit for free so you can try out their Salt Therapy technique! Click on help for adults or children and call the number on the next page to sign up for your first free visit. Salt Therapy aka Halotherapy is a powerful, natural treatment in a controlled air medium that simulates the natural salt cave microclimate to treat respiratory and skin conditions. This is no health fad – from the ancient Greeks to modern-day doctors, medical experts have championed its amazing effects.